[meteorite-list] Schlieren bands and Schreibersites

From: Tim Heitz <midwestmeteor_at_meteoritecentral.com>
Date: Sun, 3 Oct 2010 09:12:30 -0500
Message-ID: <352F4621620740B1BEDDD8C647CE075C_at_den>

Hi Mirko & List,

It shows a strange etch pattern called Schlieren bands , I think it also
shows brittle and silvery
(Schreibersites) as seen in this slice as small needles, perhaps thats the
specks seen in the etched piece.

But to see the Schlieren bands it must be etched, OK

Thanks Mirko,

Tim









----- Original Message -----
From: "Mirko Graul" <m_graul at yahoo.de>
To: "Meteorite List" <meteorite-list at meteoritecentral.com>; "Tim Heitz"
<midwestmeteor at earthlink.net>
Sent: Sunday, October 03, 2010 5:47 AM
Subject: AW: [meteorite-list] New Gebel Kamil meteorite with Schlering
bands, what do they look like?


Hi Tim and List,

i only wonder about this photo.
Schlieren bands can be seen only after etching.
But the slice on your photo is not etched.
I think the slice is polished to a mirror and now the clouds in the sky
are reflected in it.

Thats are Schlieren bands in slices of Gebel Kamil:

http://www.meteorite-mirko.de/images/gebelkamil16.7g.jpg


Best regards Mirko



Mirko Graul Meteorite
Quittenring.4
16321 Bernau
GERMANY

Phone: 0049-1724105015
E-Mail: m_graul at yahoo.de
WEB: www.meteorite-mirko.de

Member of The Meteoritical Society
(International Society for Meteoritics and Planetery Science)

IMCA-Member: 2113
(International Meteorite Collectors Association)


--- Tim Heitz <midwestmeteor at earthlink.net> schrieb am So, 3.10.2010:

> Von: Tim Heitz <midwestmeteor at earthlink.net>
> Betreff: [meteorite-list] New Gebel Kamil meteorite with Schlering bands,
> what do they look like?
> An: "Meteorite List" <meteorite-list at meteoritecentral.com>
> Datum: Sonntag, 3. Oktober, 2010 03:47 Uhr
> Hello List,
>
> This is a slice of the New Gebel Kamil meteorite from
> Egypt, it is an Ataxite and it is ungrouped which makes it
> unique and is one of a kind in composition
>
>
> http://www.meteorman.org/Gebel-Kamil-slice-77g-640.jpg
>
> Could someone tell me what are Schlering bands, are
> those Schlering bands in the picture??
>
> I did a Google search, but didn't find any information
> about Schlering Bands.
>
>
> Tim Heitz
>
> MIDWEST METEORITES http://www.meteorman.org
>
> 314-596-1435
> Member IMCA-4781
> International Meteorite Collectors Association
>
>
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Received on Sun 03 Oct 2010 10:12:30 AM PDT